package main

import "fmt"

//定义全局变量
var name = "张三"
var age = 25

//一次性声明

var (
	n1 = "张三"
	n2 = 22
)

func main() {

	fmt.Println(name, age)
	fmt.Println("n1=", n1)
	fmt.Println("n2=", n2)
}
